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KMID : 1024520200290080857
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Journal of the Environmental Sciences
2020 Volume.29 No. 8 p.857 ~ p.870
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Analysis of Water Quality Components and Antibiotics in the Final Effluent of Wastewater Treatment Facilities in the Nakdong River Basin
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Park Kyeong-Deok
Kang Dong-Hwan
Jo Won-Gi
Yu Hun-Sun
Yoon Yeon-Su
Kim Byung-Woo
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Abstract
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In this study, the antibiotic components in the final effluent from the 12 wastewater treatment facilities located in the Nakdong River basin were investigated, and the correlation between organic matters, nutrients and antibiotics was analyzed. In the final effluent of the wastewater treatment facilities, three sulfonamides antibiotics (sulfamethazine, sulfathiazole, sulfachlorpyridazine) and tetracyclines antibiotics (oxytetracycline, doxycycline) were detected. Sulfamethazine were detected at all points and ranged from 10.398 to 278.784 ng/L. Sulfathiazole were detected at 6 points (Andong, Gumi, Hapcheon, Miryang, Uiryeong, Haman), and ranged from 23.773 to 144.468 ng/L. The correlation coefficients between sulfathiazole and TSS, COD, TOC, NH3-N, NO2-N, and T-N components were high in the range of 0.73 to 0.92. The correlation coefficient between sulfamethazine and T-N was 0.48, and the correlation with the rest of the water quality components was low. The correlation coefficient between sulfamethazine and sulfathiazole was 0.78. Through this study, it was confirmed that the concentration of sulfonamides antibiotics was higher than the concentration of tetracyclines antibiotics in the final effluent of 12 wastewater treatment facilities in the Nakdong River basin, and the concentration of sulfathiazole increased with organic matters and nutrients.
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KEYWORD
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Nakdong River, Wastewater treatment facility, Antibiotics, Organic matters, Nutrients, Correlation analysis
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